"Sat, 31 Aug 2024 15:23:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240831
Only TIME
15:23:55
General datetime
2024-08-31 15:23:55Z
For Database
2024-08-31 15:23:55
For HTTP1.1
Sat, 31 Aug 2024 15:23:55 GMT